APA Citation

Sagan, H. Introduction to the Calculus of Variations. McGraw-Hill, Inc., 1969.

Chicago Style Citation

Sagan, Hans. Introduction to the Calculus of Variations. McGraw-Hill, Inc., 1969.

MLA Citation

Sagan, Hans. Introduction to the Calculus of Variations. McGraw-Hill, Inc., 1969.

Warning: These citations may not always be 100% accurate.